Home / 9,007,709.12-12,430,395.36-5,140,160.96

Finding the Fourth Proportional to 9,007,709.12, 12,430,395.36 and 5,140,160.96

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Solution

The fourth proportional to 9,007,709.12, 12,430,395.36 and 5,140,160.96 is: 7,093,283.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,007,709.12 : 12,430,395.36 = 5,140,160.96 : x
  2. Step 2: Convert to fraction form
    9,007,709.12/12,430,395.36 = 5,140,160.96/x
  3. Step 3: Cross multiply
    9,007,709.12x = 12,430,395.36 × 5,140,160.96
  4. Step 4: Simplify right side
    9,007,709.12x = 63,894,232,946,837.14
  5. Step 5: Solve for x
    x = 63,894,232,946,837.14/9,007,709.12
  6. Step 6: Final answer
    x = 7,093,283.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.